Abstract: The present invention relates to a food composition comprising galacto-oligosaccharides (GOS) as an active ingredient for improving immune functions or alleviating inflammation. The present invention also relates to a functional food composition comprising galacto-oligosaccharides (GOS) and collagen tripeptide (CTP) as active ingredients for improving skin condition or improving immune functions or intestinal microflora. The present invention also relates to a cosmetic composition comprising galacto-oligosaccharides or galacto-oligosaccharides and collagen tripeptide as active ingredients for improving skin condition. The compositions of the present invention have excellent effects with respect to the above-mentioned uses, and thus can be advantageously used as compositions for the above-mentioned uses.

Abstract: The present invention relates to a food composition and a cosmetic composition for improving skin beauty, which include galactooligosaccharide and have an ability to increase a skin water holding capacity, an ability to suppress transepidermal water loss, an ability to alleviate wrinkles, and an ability to alleviate erythema.

Abstract: The present invention relates to a pharmaceutical composition for preventing or treating Hepatitis C, comprising the roots extract of Platycodon grandiflorum and/or saponin components in Platycodon grandiflorum useful as an antiviral agent. The composition of the present invention has no harm to human and inhibits the proliferation of Hepatitis C virus, so that it can be effectively used as a preventive or therapeutic agent for Hepatitis C.